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20110701
20110731
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WBAL (NBC) 1
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Search Results 0 to 0 of about 1
NBC
Jul 12, 2011 5:00pm EDT
, but by the late 80's big changes in car manufacturing made them much cleaner. >> we have better engines, better metals, and we do not get begin cameron -- the contaminants in oil like we used to. >> the theory that it needs to be changed because it wears out is wrong. the oil itself never wears out. some companies are introducing we refined oil. it is cleaned and additives are added back in. if it is a reputable company, they are probably using it. do you get what you pay for? yes, because more expensive oil has a better additive package, allowing the oil to last longer. >> all of the oil manufacturers have to meet a standard for oil. they can meet a minimum standard, or if the oil is more expensive, they can increase the additive package. that is the most expensive part of the oil is the additive package. >> tucked inside the lab in wichita, chemists work the janette -- diligently, constantly keeping up with new and tougher regulations by the american petroleum institute. >> there are numerous additives that are put into the oil. those include detergents. those include anti-wear additives, ant
Search Results 0 to 0 of about 1